AMD Radeon HD 8550M vs AMD Radeon HD 8870M

VS

AMD Radeon HD 8550M

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550M 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 10% (850MHz vs 775MHz)

AMD Radeon HD 8870M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

Radeon HD 8870M +82%

0.992 TFLOPS

Radeon HD 8550M

VS

Radeon HD 8870M

Graphics Card

Jul 2014

Release Date

Apr 2013

Solar System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

650 MHz

Base Clock

725 MHz

850 MHz

Boost Clock

775 MHz

900 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

72.00GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

640

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

12.40 GPixel/s

17.00 GTexel/s

Texture Rate

31.00 GTexel/s

-

544.0 GFLOPS

FP32 (float)

992.0 GFLOPS

34.00 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Venus

Sun S3 LE (216-0841036)

GPU Variant

Venus XT (216-0846000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.5 billion

56 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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